Senior Red Hat OpenShift Administrator / Engineer

Global Software Solutions Group; Bengaluru; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

Global Software Solutions Group is seeking an experienced Red Hat OpenShift Administrator to lead administration of large-scale OpenShift clusters and drive automation across CI/CD, IaC, and platform engineering. The role emphasizes hands-on expertise in enterprise OpenShift, networking, security, and cloud migration.

You will design and implement GitOps workflows with Argo CD, build Helm charts, and collaborate with development, security, and infra teams to ensure platform reliability and

Qualifications

• Hands-on Red Hat OpenShift Administration in enterprise environments.
• Experience with installation, upgrades, automation, troubleshooting, and multi-cluster management.
• Strong knowledge of Terraform, Ansible, Jenkins for automation.
• Experience with GitOps and Argo CD.
• Experience with OpenShift Virtualization / KubeVirt.

Responsibilities

• Install, configure, administer, upgrade, and manage large-scale OpenShift clusters.
• Design automation for OpenShift infrastructure and deployments.
• Develop CI/CD pipelines and Helm charts.
• Integrate with REST/SOAP APIs and external systems.
• Support cloud migration of workloads and high-availability platforms.

Skills

OpenShift administration

Kubernetes concepts

Scripting languages

Helm/Helm charts

IP networking

Cloud migration

Security concepts

Active Directory integration

Platform automation

GitOps

Tools

Terraform

Ansible

Jenkins

Argo CD

Docker

Job description

We are looking for an experienced Red Hat Certified OpenShift Administrator with strong expertise in enterprise OpenShift environments, automation, Infrastructure as Code, CI/CD, GitOps, cloud migration, and platform engineering. The ideal candidate should have extensive hands-on experience managing large-scale OpenShift clusters and a strong understanding of the underlying infrastructure, networking, security, virtualization, and automation ecosystem.

Key Responsibilities

• Install, configure, administer, upgrade, and manage large-scale Red Hat OpenShift clusters
• Perform OpenShift platform administration, troubleshooting, monitoring, performance optimization, and capacity management
• Design and implement automation for OpenShift infrastructure and application deployments
• Manage infrastructure using Terraform, Ansible, and Jenkins
• Implement and maintain GitOps-driven configuration management and deployment using tools such as Argo CD
• Support migration of enterprise applications and workloads to cloud environments
• Develop and maintain CI/CD pipelines using Jenkins and Git-based workflows
• Automate infrastructure provisioning, configuration management, application deployment, and operational activities
• Develop and maintain Helm charts for application packaging and deployment
• Work closely with development, infrastructure, security, networking, and application teams to resolve complex platform issues
• Integrate OpenShift and enterprise platforms through REST/SOAP APIs
• Develop API consumers/publishers and support integration with external systems
• Support high-availability architectures and ensure platform reliability and resilience
• Troubleshoot complex issues involving OpenShift, networking, DNS, SSL/TLS, certificates, load balancers, firewalls, Active Directory, and infrastructure components

Mandatory Technical Skills

Red Hat OpenShift

• Strong hands-on expertise in Red Hat OpenShift Administration
• Red Hat Certified OpenShift Administrator certification preferred/required
• Extensive experience with installation, configuration, upgrades, automation, troubleshooting, and management of enterprise OpenShift clusters
• Experience with OpenShift Virtualization / KubeVirt

Infrastructure as Code & Automation

• Expert-level experience with:
• Terraform
• Ansible
• Jenkins
• Strong understanding of Infrastructure as Code (IaC), configuration management, orchestration, and automation practices

CI/CD & GitOps

• Strong experience implementing GitOps-based deployment models
• Hands-on experience with Argo CD / ArgoCD
• Strong knowledge of Jenkins pipeline development
• Ability to write and maintain Jenkinsfiles using Groovy
• Experience with Helm and Helm chart development

Scripting & Automation

• Bash
• PowerShell
• Python
• Groovy
• Helm / Helm Templates

API & Integration

• Strong understanding of API communications and integrations
• Hands-on experience with REST and SOAP APIs
• Ability to develop and integrate API consumers and publishers
• Understanding of authentication, communication protocols, and enterprise API integration patterns

Infrastructure & Networking Knowledge

• DNS architecture and troubleshooting
• Authoritative and Non-Authoritative DNS
• Dynamic DNS
• BIND DNS
• DNS Forwarders
• Load Balancers
• Site Selectors
• Firewalls
• High Availability architectures
• Network communication and traffic flows
• SSL/TLS communication
• SSL handshake and certificate validation
• Cipher Suites and encryption algorithms

Security & Identity

• Active Directory
• Security Organizational Units (OUs)
• Active Directory policies
• Digital certificates
• SAN certificates
• Client authentication
• Keystores
• Mutual SSL / mTLS
• SSL/TLS security
• Secrets and privileged-access management
• Experience with enterprise vault and secrets-management technologies such as:
• HashiCorp Vault
• CyberArk

OpenShift & Platform Engineering

• OpenShift architecture and components
• Kubernetes concepts and orchestration
• Containerized application platforms
• OpenShift networking
• Storage and persistent volumes
• Cluster security
• High availability and disaster recovery concepts
• OpenShift Virtualization / KubeVirt
• Platform automation
• Enterprise workload migration
• Cloud-native application deployment

Required Experience

• 8+ years of overall experience in relevant technical positions, preferably within large enterprise environments
• Strong hands-on experience administering and supporting enterprise-scale OpenShift platforms
• Proven experience with automation, orchestration, and Infrastructure as Code
• Experience working with complex enterprise infrastructure and security environments
• Strong troubleshooting and problem-solving skills
• Ability to work with multiple technical teams and stakeholders in a large-scale enterprise environment

Preferred Qualifications

• Red Hat Certified OpenShift Administrator certification
• Strong hands-on experience with Ansible, Jenkins, and Terraform
• Experience implementing GitOps and Argo CD
• Experience with cloud migration and modernization initiatives
• Experience supporting highly available and business-critical enterprise platforms
• Experience in banking, financial services, or other large regulated environments is highly desirable